/Engine/Plugins/Media/PixelStreaming/Source/PixelStreaming/Public/PixelStreamingSignallingConnection.h
[Streamer only] Send a disconnect message to the specified player.
virtual void SendDisconnectPlayer ( [FPixelStreamingPlayerId](API\Plugins\PixelStreaming\FPixelStreamingPlayerId) PlayerId, const [FString](API\Runtime\Core\Containers\FString) & Reason )